//
//  SynthesizeSingleton.h
//
//  Modified by Q
//  Based on Matt Gallagher's singleton synth macro
//
//  Permission is hereby granted, free of charge, to any person 
//  obtaining a copy of this software and associated documentation
//  files (the "Software"), to deal in the Software without restriction,
//  including without limitation the rights to use, copy, modify, 
//  merge, publish, distribute, sublicense, and/or sell copies of 
//  the Software, and to permit persons to whom the Software is 
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be 
//  included in all copies or substantial portions of the Software.
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 
//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 
//  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
//  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR 
//  ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
//  CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
//  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

#define SYNTHESIZE_SINGLETON_FOR_CLASS(classname, methodname) \
\
static classname *methodname = nil; \
\
+ (classname *)methodname \
{ \
@synchronized(self) \
{ \
if (methodname == nil) \
{ \
[[self alloc] init]; \
} \
} \
\
return methodname; \
} \
\
+ (id)allocWithZone:(NSZone *)zone \
{ \
@synchronized(self) \
{ \
if (methodname == nil) \
{ \
methodname = [super allocWithZone:zone]; \
return methodname; \
} \
} \
\
return nil; \
} \
\
- (id)copyWithZone:(NSZone *)zone \
{ \
return self; \
} \
\
- (id)retain \
{ \
return self; \
} \
\
- (NSUInteger)retainCount \
{ \
return NSUIntegerMax; \
} \
\
- (void)release \
{ \
} \
\
- (id)autorelease \
{ \
return self; \
}

/*
#define SYNTHESIZE_SINGLETON_FOR_CLASS(classname) \
 \
static classname *shared##classname = nil; \
 \
+ (classname *)shared##classname \
{ \
	@synchronized(self) \
	{ \
		if (shared##classname == nil) \
		{ \
			[[self alloc] init]; \
		} \
	} \
	 \
	return shared##classname; \
} \
 \
+ (id)allocWithZone:(NSZone *)zone \
{ \
	@synchronized(self) \
	{ \
		if (shared##classname == nil) \
		{ \
			shared##classname = [super allocWithZone:zone]; \
			return shared##classname; \
		} \
	} \
	 \
	return nil; \
} \
 \
- (id)copyWithZone:(NSZone *)zone \
{ \
	return self; \
} \
 \
- (id)retain \
{ \
	return self; \
} \
 \
- (NSUInteger)retainCount \
{ \
	return NSUIntegerMax; \
} \
 \
- (void)release \
{ \
} \
 \
- (id)autorelease \
{ \
	return self; \
}
*/